Audio Transformers / Signal Transformers – Mouser Dominican Republic

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Transformers for Battery Management Systems

Würth Elektronik WE-BMS Transformers are designed to fulfill the requirements in high voltage operation areas for a safe and reliable battery management system (BMS). These transformers feature a common-mode choke to filter noise and electrically isolate the signals, allowing them to support the BMS isolation and EMI noise suppression for a safe and reliable operation. WE-BMS transformers feature a low-profile design and a higher creepage distance that increases the safety and reliability of the system despite the footprint. Würth Elektronik WE-BMS transformers are suitable for solar energy storage, energy storage systems (ESS), and uninterrupted power supplies (UPS).

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Part #

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

74942300
Wurth Elektronik
1: $5.53
387In Stock

Mfr. Part #
74942300

Mouser Part #
710-74942300

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

Learn More

Datasheet

387In Stock

Cut Tape

$5.53

$4.81

$4.36

$3.94

$3.93

Reel

$3.13

MouseReel Available

Min.: 1
Mult.: 1

: 450

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

15.1 mm

14.2 mm

4.75 mm

WE-BMS

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS BMS 2 channels 1500V -40/ +125C

74942400
Wurth Elektronik
1: $7.75
754In Stock

Mfr. Part #
74942400

Mouser Part #
710-74942400

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS BMS 2 channels 1500V -40/ +125C

Learn More

Datasheet

754In Stock

Cut Tape

$7.75

$6.68

$6.00

$5.44

Reel

$5.15

$5.04

MouseReel Available

Min.: 1
Mult.: 1

: 500

Transformers

SMT Transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

24.52 mm

15.45 mm

4.85 mm

WE-BMS

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS BMS 450uH 2Channel 1500V -40/ +125C

74942401
Wurth Elektronik
1: $7.75
669In Stock

Mfr. Part #
74942401

Mouser Part #
710-74942401

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS BMS 450uH 2Channel 1500V -40/ +125C

Learn More

Datasheet

669In Stock

Cut Tape

$7.75

$6.68

$5.88

$5.24

Reel

$5.15

$5.00

MouseReel Available

Min.: 1
Mult.: 1

: 500

Transformers

SMT Transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

24.52 mm

15.45 mm

4.85 mm

WE-BMS

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS BMS 1 channel 1500V -40 / +125C

74942402
Wurth Elektronik
1: $6.22
1,121In Stock
3,000On Order

Mfr. Part #
74942402

Mouser Part #
710-74942402

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS BMS 1 channel 1500V -40 / +125C

Learn More

Datasheet

1,121In Stock

3,000On Order

Cut Tape

$6.22

$5.50

$4.92

$4.39

Reel

$3.86

MouseReel Available

Min.: 1
Mult.: 1

: 300

Transformers

SMT Transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

24 mm

12.5 mm

7.3 mm

WE-BMS

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200

74941300
Wurth Elektronik
1: $3.61
716In Stock
650Expected 9/18/2026

Mfr. Part #
74941300

Mouser Part #
710-74941300

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200

Learn More

Datasheet

716In Stock

650Expected 9/18/2026

Cut Tape

$3.61

$3.13

$2.84

$2.55

Reel

$2.24

MouseReel Available

Min.: 1
Mult.: 1

: 650

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

8.9 mm

7.6 mm

5.5 mm

WE-BMS

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200

74941301
Wurth Elektronik
1: $3.61
595In Stock

Mfr. Part #
74941301

Mouser Part #
710-74941301

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200

Learn More

Datasheet

595In Stock

Cut Tape

$3.61

$3.13

$2.84

$2.55

Reel

$2.24

MouseReel Available

Min.: 1
Mult.: 1

: 650

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

8.9 mm

7.6 mm

5.5 mm

WE-BMS

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200

74941302
Wurth Elektronik
1: $3.61
517In Stock
850Expected 8/21/2026

Mfr. Part #
74941302

Mouser Part #
710-74941302

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200

Learn More

Datasheet

517In Stock

850Expected 8/21/2026

Cut Tape

$3.61

$3.19

$2.89

$2.84

$2.60

Reel

$2.26

MouseReel Available

Min.: 1
Mult.: 1

: 850

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

14.3 mm

9.5 mm

3.45 mm

WE-BMS

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

74942302
Wurth Elektronik
1: $5.54
191In Stock

Mfr. Part #
74942302

Mouser Part #
710-74942302

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

Learn More

Datasheet

191In Stock

Cut Tape

$5.54

$4.81

$4.37

Reel

$3.51

MouseReel Available

Min.: 1
Mult.: 1

: 550

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

15.1 mm

14.7 mm

4.75 mm

WE-BMS

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

74942301
Wurth Elektronik
550: $3.82
Non-Stocked Lead-Time 18 Weeks

Mfr. Part #
74942301

Mouser Part #
710-74942301

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

$3.82

Min.: 550
Mult.: 550

: 550

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

15.1 mm

14.2 mm

3.45 mm

WE-BMS

AEC-Q200

Reel

Transformers for Battery Management Systems

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